> Markdown version of [/jobs/ext/2736743-staff-software-engineer](https://www.wearedevelopers.com/jobs/ext/2736743-staff-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer - **Company:** Coupang, Inc. - **Location:** Seattle, United States - **Experience:** Expert - **Salary:** $41,600.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Big Data, Code Review, Continuous Integration, Distributed Systems, Apache Hive, Redis, Systems Architecture, Data Processing, Multithreading, Cloud Platform System, Apache Spark, Backend, Build Management, Information Technology, Low Latency, Apache Kafka, Marketplace, Data Pipelines - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/staff-software-engineer-ads-coupang-internal-8794033 ## About the Role * Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field * 6 years of experience in backend software development * Experience working in cloud environments, particularly AWS * Demonstrated experience in building and maintaining highly available, distributed systems * Proven track record of taking ownership and successfully delivering results * Experience building ads serving system. * Ability to clearly and concisely communicate with technical and non- technical stakeholders across all levels of the organization * Ability to work in multi-cultural, cross functional team * Experience building highly scalable and low latency systems in a fast paced, team-oriented environment * Experience leading a project of building large scale data serving platform * Proficiency in Java and the Spring Frameworks Preferred Qualifications * Ability and desire to drive solid design work on multi-threaded/multi-process, distributed system * A passion to explore, improve, automate and optimize distributed systems and tools * Proven ability to lead and collaborate in cross-functional, fast-paced environments * Ability to think outside-the-box and challenge conventional wisdoms * Experience with advertising systems/Search advertising/Advertising Marketplace/Display advertising/Ad Server * Experience working with AWS (Amazon web services) * Familiarity with Agile development practices, including code reviews, testing, and CI/CD pipelines * Experience managing mission-critical services with high throughput and low latency * Experience working in fast pacing environment * Experience with Spark/Hive/Redis//Kafka * Strong communication skills for interfacing with technical teams, business stakeholders, and end users ## Description Ads data platform team is a key team in the Ads foundation organization. Help us build the data engine behind Coupang Ads. Our team provides the foundational platform that manages and serves all data used in our ads-serving pipeline. We build the big data platform that processes all the Coupang Ads data, which involves enrichment, aggregation, attribution, settlement, measurement and more. We are looking for passionate backend software experts to build large scale data processing systems that power our Ads business. Our mission is to design and build a scalable, extensible and resilient data processing infrastructure that powers our Ads business with big data and build scalable realtime services to serve the data. What You Will Do: * Architect and scale high-throughput data processing pipelines and serving infrastructure critical to real-time ad delivery. * Engineer our next-generation data platform, focusing on self-service capabilities that empower cross-functional teams to deploy data into production with minimal friction. * Bridge the gap between business strategy and technical execution, translating complex ads logic into highly distributed, efficient, and resilient system architectures., * Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer * The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. * Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. Details to Consider * This job posting may be closed prior to the stated end date for application if all openings are filled. * Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. * Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Personal Branding & Job Search - The Most Practical Approach You'll Ever Find](https://www.wearedevelopers.com/videos/576-personal-branding-job-search-the-most-practical-approach-you-ll-ever-find) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025)